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- #include <stdint.h>
- #include <stdbool.h>
- #include <string.h>
- #include "nrf_gzll.h"
- #include "nrf_gzp.h"
- #include "nrf_delay.h"
- #include "nrf_nvmc.h"
- #define SOURCE_FILE NRF_SOURCE_FILE_GZP_DEVICE
- #define GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS 0
- #define GZP_PARAMS_DB_ELEMENT_HOST_ID (GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS + GZP_SYSTEM_ADDRESS_WIDTH)
- #define GZP_PARAMS_DB_ELEMENT_SIZE (GZP_SYSTEM_ADDRESS_WIDTH + GZP_HOST_ID_LENGTH)
- #define GZP_PARAMS_DB_MAX_ENTRIES 14
- #define GZP_PARAMS_DB_ADR GZP_PARAMS_STORAGE_ADR
- #define GZP_PARAMS_DB_SIZE (GZP_PARAMS_DB_MAX_ENTRIES * GZP_PARAMS_DB_ELEMENT_SIZE)
- #define GZP_INDEX_DB_ADR (GZP_PARAMS_STORAGE_ADR + GZP_PARAMS_DB_SIZE)
- #define GZP_INDEX_DB_SIZE (GZP_DEVICE_PARAMS_STORAGE_SIZE - GZP_PARAMS_DB_SIZE)
- #if (GZP_DEVICE_PARAMS_STORAGE_SIZE < GZP_PARAMS_DB_SIZE)
- #error GZP_DEVICE_PARAMS_STORAGE_SIZE must be greater or equal to GZP_PAIRING_PARAMS_DB_SIZE
- #elif (GZP_DEVICE_PARAMS_STORAGE_SIZE == GZP_PARAMS_DB_SIZE )
- #warning GZP_DEVICE_PARAMS_STORAGE_SIZE to low to be able store any pairing parameters NV memory
- #endif
- typedef enum
- {
- GZP_TX_RX_SUCCESS,
- GZP_TX_RX_FAILED_TO_SEND,
- GZP_TX_RX_NO_RESPONSE
- } gzp_tx_rx_trans_result_t;
- static uint8_t gzp_system_address[GZP_SYSTEM_ADDRESS_WIDTH];
- static uint8_t gzp_host_id[GZP_HOST_ID_LENGTH];
- static uint8_t dyn_key[GZP_DYN_KEY_LENGTH];
- static bool gzp_id_req_pending = false;
- static bool gzp_tx_packet(const uint8_t* tx_packet, uint8_t length, uint8_t pipe);
- static gzp_tx_rx_trans_result_t gzp_tx_rx_transaction(const uint8_t *tx_packet, uint8_t tx_length, uint8_t *rx_dst, uint32_t *rx_length, uint8_t pipe);
- static bool gzp_crypt_tx_transaction(const uint8_t *tx_packet, uint8_t length);
- static bool gzp_key_update(void);
- static void gzp_params_db_add(const uint8_t *src_element, uint8_t index);
- static void gzp_params_db_read(uint8_t* dst_element, uint8_t index);
- static void gzp_index_db_add(uint8_t index);
- static uint8_t gzp_index_db_read(void);
- static bool gzp_index_db_full(void);
- static bool gzp_index_db_empty(void);
- static bool gzp_array_is_set(const uint8_t* src, uint8_t length);
- static bool gzp_params_store(bool store_all);
- static bool gzp_params_restore(void);
- void gzp_delay_rx_periods(uint32_t rx_periods);
- void gzp_tick_sleep_rx_periods(uint32_t rx_periods);
- void print_string(char* p_expr);
- static nrf_gzll_device_tx_info_t latest_tx_info;
- static volatile bool tx_complete;
- static bool tx_success;
- #define REP4(X) X X X X
- #if defined(__ICCARM__)
- #if GZP_PARAMS_DB_ADR == 0x1000
- static const uint32_t database[GZP_DEVICE_PARAMS_STORAGE_SIZE/4] @ "gzp_dev_data"
- #elif GZP_PARAMS_DB_ADR == 0x15000
- static const uint32_t database[GZP_DEVICE_PARAMS_STORAGE_SIZE/4] @ "gzp_dev_data_sd"
- #else
- #error
- #endif
- #elif defined(__GNUC__)
- static const uint32_t database[GZP_DEVICE_PARAMS_STORAGE_SIZE / 4] __attribute__((section(".gzll_paring")))
- #else
- static const uint32_t database[GZP_DEVICE_PARAMS_STORAGE_SIZE / 4] __attribute__((at(GZP_PARAMS_DB_ADR)))
- #endif
- = {
- #define STATIC_INIT_VALUE 0xFFFFFFFF
- #define STATIC_INIT_COUNT (GZP_DEVICE_PARAMS_STORAGE_SIZE / 4)
- #define INIT_1 STATIC_INIT_VALUE,
- #define INIT_4 REP4(INIT_1)
- #define INIT_16 REP4(INIT_4)
- #define INIT_64 REP4(INIT_16)
- #define INIT_256 REP4(INIT_64)
- #define INIT_1024 REP4(INIT_256)
- #if (STATIC_INIT_COUNT == 256)
- INIT_256
- #elif (STATIC_INIT_COUNT == 1024)
- INIT_1024
- #else
- #error Gazell Pairing Library database not initialized properly!
- #endif
- };
- void gzp_init()
- {
- gzp_id_req_pending = false;
- #ifndef GZP_NV_STORAGE_DISABLE
- (void)gzp_params_restore();
- #endif
-
- (void)gzp_update_radio_params(gzp_system_address);
- }
- void gzp_erase_pairing_data(void)
- {
-
- nrf_nvmc_page_erase((uint32_t)database);
- }
- bool gzp_address_req_send()
- {
-
- uint8_t i;
- bool retval = false;
- bool success;
- uint8_t address_req[GZP_CMD_HOST_ADDRESS_REQ_PAYLOAD_LENGTH];
- uint8_t rx_payload[NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH];
- uint32_t rx_payload_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
- nrf_gzll_tx_power_t temp_power;
- uint32_t temp_max_tx_attempts;
- bool gzll_update_ok = true;
-
- temp_max_tx_attempts = nrf_gzll_get_max_tx_attempts();
- temp_power = nrf_gzll_get_tx_power();
-
- nrf_gzp_disable_gzll();
- nrf_gzll_set_max_tx_attempts(GZP_REQ_TX_TIMEOUT);
- gzll_update_ok &= nrf_gzll_set_tx_power(GZP_POWER);
-
- gzll_update_ok &= nrf_gzll_flush_rx_fifo(GZP_PAIRING_PIPE);
- gzll_update_ok &= nrf_gzll_enable();
-
- address_req[0] = (uint8_t)GZP_CMD_HOST_ADDRESS_REQ;
-
-
- for (i = 0; i < GZP_MAX_BACKOFF_PACKETS; i++)
- {
- success = gzp_tx_packet(address_req, GZP_CMD_HOST_ADDRESS_REQ_PAYLOAD_LENGTH, GZP_PAIRING_PIPE);
- if (success)
- {
- nrf_gzp_flush_rx_fifo(GZP_PAIRING_PIPE);
- }
- else
- {
- break;
- }
- }
- gzp_delay_rx_periods(GZP_TX_ACK_WAIT_TIMEOUT);
-
- address_req[0] = (uint8_t)GZP_CMD_HOST_ADDRESS_FETCH;
- success = gzp_tx_packet(address_req, GZP_CMD_HOST_ADDRESS_REQ_PAYLOAD_LENGTH, GZP_PAIRING_PIPE);
- if (success && latest_tx_info.payload_received_in_ack)
- {
-
- if (nrf_gzll_get_rx_fifo_packet_count(GZP_PAIRING_PIPE) > 0)
- {
- rx_payload_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
- if (nrf_gzll_fetch_packet_from_rx_fifo(GZP_PAIRING_PIPE, rx_payload, &rx_payload_length))
- {
- if (rx_payload[0] == (uint8_t)GZP_CMD_HOST_ADDRESS_RESP)
- {
- memcpy(gzp_system_address, &rx_payload[GZP_CMD_HOST_ADDRESS_RESP_ADDRESS], GZP_SYSTEM_ADDRESS_WIDTH);
- gzll_update_ok &= gzp_update_radio_params(&rx_payload[GZP_CMD_HOST_ADDRESS_RESP_ADDRESS]);
- #ifndef GZP_NV_STORAGE_DISABLE
- (void)gzp_params_store(false);
- #endif
- retval = true;
- }
- }
- }
- }
- else
- {
- gzp_delay_rx_periods(GZP_NOT_PROXIMITY_BACKOFF_RX_TIMEOUT - GZP_TX_ACK_WAIT_TIMEOUT);
- }
- gzp_delay_rx_periods(GZP_STEP1_RX_TIMEOUT);
-
- nrf_gzp_disable_gzll();
- gzll_update_ok &= nrf_gzll_flush_rx_fifo(GZP_PAIRING_PIPE);
- gzll_update_ok &= nrf_gzll_flush_tx_fifo(GZP_PAIRING_PIPE);
- nrf_gzll_set_max_tx_attempts(temp_max_tx_attempts);
- gzll_update_ok &= nrf_gzll_set_tx_power(temp_power);
- gzll_update_ok &= nrf_gzll_enable();
- if (!gzll_update_ok)
- {
-
- }
- return retval;
-
- }
- #ifndef GZP_CRYPT_DISABLE
- gzp_id_req_res_t gzp_id_req_send()
- {
- uint8_t tx_packet[GZP_CMD_HOST_ID_REQ_PAYLOAD_LENGTH];
- uint8_t rx_packet[GZP_MAX_ACK_PAYLOAD_LENGTH];
- gzp_tx_rx_trans_result_t trans_result;
-
- if (!gzp_id_req_pending)
- {
-
- tx_packet[0] = (uint8_t)GZP_CMD_HOST_ID_REQ;
-
- gzp_random_numbers_generate(&tx_packet[GZP_CMD_HOST_ID_REQ_SESSION_TOKEN], GZP_SESSION_TOKEN_LENGTH);
-
- if (gzp_tx_packet(tx_packet, GZP_CMD_HOST_ID_REQ_PAYLOAD_LENGTH, GZP_DATA_PIPE))
- {
-
- gzp_crypt_set_session_token(&tx_packet[GZP_CMD_HOST_ID_REQ_SESSION_TOKEN]);
- gzp_id_req_pending = true;
- return GZP_ID_RESP_PENDING;
- }
- }
- else
- {
-
- tx_packet[0] = (uint8_t)GZP_CMD_HOST_ID_FETCH;
- gzp_add_validation_id(&tx_packet[GZP_CMD_HOST_ID_FETCH_VALIDATION_ID]);
-
- gzp_crypt_select_key(GZP_ID_EXCHANGE);
- gzp_crypt(&tx_packet[1], &tx_packet[1], GZP_CMD_HOST_ID_FETCH_PAYLOAD_LENGTH - 1);
- trans_result = gzp_tx_rx_transaction(tx_packet, GZP_CMD_HOST_ID_FETCH_PAYLOAD_LENGTH, rx_packet, NULL, GZP_DATA_PIPE);
-
- if (trans_result == GZP_TX_RX_SUCCESS)
- {
-
- if (rx_packet[0] == (uint8_t)GZP_CMD_HOST_ID_FETCH_RESP)
- {
- gzp_crypt(&rx_packet[1], &rx_packet[1], GZP_CMD_HOST_ID_FETCH_RESP_PAYLOAD_LENGTH - 1);
- if (gzp_validate_id(&rx_packet[GZP_CMD_HOST_ID_FETCH_RESP_VALIDATION_ID]))
- {
- switch (rx_packet[GZP_CMD_HOST_ID_FETCH_RESP_STATUS])
- {
- case GZP_ID_RESP_PENDING:
- break;
- case GZP_ID_RESP_REJECTED:
- gzp_id_req_pending = false;
- break;
- case GZP_ID_RESP_GRANTED:
- gzp_set_host_id(&rx_packet[GZP_CMD_HOST_ID_FETCH_RESP_HOST_ID]);
- gzp_random_numbers_generate(dyn_key, GZP_DYN_KEY_LENGTH);
- gzp_crypt_set_dyn_key(dyn_key);
- #ifndef GZP_NV_STORAGE_DISABLE
- (void)gzp_params_store(true);
- #endif
- gzp_id_req_pending = false;
- break;
- default:
- break;
- }
- return (gzp_id_req_res_t)rx_packet[GZP_CMD_HOST_ID_FETCH_RESP_STATUS];
- }
- else
- {
- gzp_id_req_pending = false;
- return GZP_ID_RESP_REJECTED;
- }
- }
- }
- }
- gzp_id_req_pending = false;
- return GZP_ID_RESP_FAILED;
- }
- void gzp_id_req_cancel()
- {
- gzp_id_req_pending = false;
- }
- bool gzp_crypt_data_send(const uint8_t *src, uint8_t length)
- {
- if (length <= GZP_ENCRYPTED_USER_DATA_MAX_LENGTH)
- {
- if (gzp_crypt_tx_transaction(src, length))
- {
- return true;
- }
- else
- {
-
-
-
- if (!gzp_id_req_pending)
- {
-
- if (gzp_key_update())
- {
- return gzp_crypt_tx_transaction(src, length);
- }
- }
- return false;
- }
- }
- else
- {
- return false;
- }
- }
- #endif
- static bool gzp_tx_packet(const uint8_t* tx_packet, uint8_t length, uint8_t pipe)
- {
- tx_complete = false;
- tx_success = false;
- if (nrf_gzll_add_packet_to_tx_fifo(pipe,(uint8_t *)tx_packet, length))
- {
- while (tx_complete == false)
- {
- __WFI();
- }
- return tx_success;
- }
- else
- {
- return false;
- }
- }
- static gzp_tx_rx_trans_result_t gzp_tx_rx_transaction(const uint8_t *tx_packet, uint8_t tx_length, uint8_t *rx_dst, uint32_t *rx_length, uint8_t pipe)
- {
- gzp_tx_rx_trans_result_t retval;
- uint8_t fetch_packet[GZP_CMD_FETCH_RESP_PAYLOAD_LENGTH];
- bool tx_packet_success;
- bool fetch_success;
- uint32_t local_rx_length = GZP_MAX_ACK_PAYLOAD_LENGTH;
- uint32_t temp_lifetime;
- nrf_gzp_flush_rx_fifo(pipe);
- retval = GZP_TX_RX_FAILED_TO_SEND;
- (void)nrf_gzll_disable();
- while (nrf_gzll_is_enabled())
- {}
- temp_lifetime = nrf_gzll_get_sync_lifetime();
- (void)nrf_gzll_set_sync_lifetime(GZP_TX_RX_TRANS_DELAY * 3);
- (void)nrf_gzll_enable();
- tx_packet_success = gzp_tx_packet(tx_packet, tx_length, pipe);
- if (tx_packet_success)
- {
- retval = GZP_TX_RX_NO_RESPONSE;
- nrf_gzp_flush_rx_fifo(pipe);
- fetch_packet[0] = (uint8_t)GZP_CMD_FETCH_RESP;
- gzp_tick_sleep_rx_periods(GZP_TX_RX_TRANS_DELAY);
- tx_packet_success = gzp_tx_packet(fetch_packet, GZP_CMD_FETCH_RESP_PAYLOAD_LENGTH, pipe);
- if (tx_packet_success)
- {
- if (nrf_gzll_get_rx_fifo_packet_count(pipe))
- {
- local_rx_length = NRF_GZLL_CONST_MAX_PAYLOAD_LENGTH;
- fetch_success = nrf_gzll_fetch_packet_from_rx_fifo(pipe, rx_dst, &local_rx_length);
- }
- else
- {
- fetch_success = false;
- }
- if (fetch_success)
- {
- retval = GZP_TX_RX_SUCCESS;
- }
- else
- {
-
- }
- }
- else
- {
-
- }
- }
- (void)nrf_gzll_disable();
- while (nrf_gzll_is_enabled())
- {}
- (void)nrf_gzll_set_sync_lifetime(temp_lifetime);
- (void)nrf_gzll_enable();
- return retval;
- }
- #ifndef GZP_CRYPT_DISABLE
- static bool gzp_crypt_tx_transaction(const uint8_t *src, uint8_t length)
- {
- uint8_t tx_packet[GZP_MAX_FW_PAYLOAD_LENGTH];
- uint8_t rx_packet[GZP_MAX_ACK_PAYLOAD_LENGTH];
- uint8_t tx_packet_length;
- gzp_tx_rx_trans_result_t result;
- tx_packet_length = length + (uint8_t)GZP_ENCRYPTED_USER_DATA_PACKET_OVERHEAD;
-
- tx_packet[0] = (uint8_t)GZP_CMD_ENCRYPTED_USER_DATA;
- gzp_add_validation_id(&tx_packet[GZP_CMD_ENCRYPTED_USER_DATA_VALIDATION_ID]);
- memcpy(&tx_packet[GZP_CMD_ENCRYPTED_USER_DATA_PAYLOAD], (uint8_t*)src, length);
-
- if (gzp_id_req_pending)
- {
- gzp_crypt_select_key(GZP_ID_EXCHANGE);
- }
- else
- {
- gzp_crypt_select_key(GZP_DATA_EXCHANGE);
- }
- gzp_crypt(&tx_packet[1], &tx_packet[1], tx_packet_length - 1);
-
- result = gzp_tx_rx_transaction(tx_packet, tx_packet_length, rx_packet, NULL, GZP_DATA_PIPE);
- if (result == GZP_TX_RX_SUCCESS)
- {
- if (rx_packet[0] == (uint8_t)GZP_CMD_ENCRYPTED_USER_DATA_RESP)
- {
- gzp_crypt(&rx_packet[GZP_CMD_ENCRYPTED_USER_DATA_RESP_VALIDATION_ID], &rx_packet[GZP_CMD_ENCRYPTED_USER_DATA_RESP_VALIDATION_ID], GZP_VALIDATION_ID_LENGTH);
-
- if (gzp_validate_id(&rx_packet[GZP_CMD_ENCRYPTED_USER_DATA_RESP_VALIDATION_ID]))
- {
-
- if (!gzp_id_req_pending)
- {
- gzp_crypt_set_session_token(&rx_packet[GZP_CMD_ENCRYPTED_USER_DATA_RESP_SESSION_TOKEN]);
- }
- return true;
- }
- else
- {
-
- return false;
- }
- }
- else
- {
-
- return false;
- }
- }
- else
- {
-
- return false;
- }
- }
- static bool gzp_key_update(void)
- {
- uint8_t tx_packet[GZP_CMD_KEY_UPDATE_PAYLOAD_LENGTH], rx_packet[GZP_MAX_ACK_PAYLOAD_LENGTH];
-
- tx_packet[0] = (uint8_t)GZP_CMD_KEY_UPDATE_PREPARE;
-
- if (gzp_tx_rx_transaction(tx_packet, GZP_CMD_KEY_UPDATE_PREPARE_PAYLOAD_LENGTH, rx_packet, NULL, GZP_DATA_PIPE) == GZP_TX_RX_SUCCESS)
- {
- if (rx_packet[0] == (uint8_t)GZP_CMD_KEY_UPDATE_PREPARE_RESP)
- {
- gzp_crypt_set_session_token(&rx_packet[GZP_CMD_KEY_UPDATE_PREPARE_RESP_SESSION_TOKEN]);
-
- tx_packet[0] = (uint8_t)GZP_CMD_KEY_UPDATE;
- gzp_add_validation_id(&tx_packet[GZP_CMD_KEY_UPDATE_VALIDATION_ID]);
- gzp_random_numbers_generate(&tx_packet[GZP_CMD_KEY_UPDATE_NEW_KEY], GZP_DYN_KEY_LENGTH);
- gzp_crypt_set_dyn_key(&tx_packet[GZP_CMD_KEY_UPDATE_NEW_KEY]);
-
- gzp_crypt_select_key(GZP_KEY_EXCHANGE);
- gzp_crypt(&tx_packet[1], &tx_packet[1], GZP_CMD_KEY_UPDATE_PAYLOAD_LENGTH - 1);
-
- if (gzp_tx_packet(tx_packet, GZP_CMD_KEY_UPDATE_PAYLOAD_LENGTH, GZP_DATA_PIPE))
- {
- return true;
- }
- }
- }
- return false;
- }
- #endif
- void gzp_set_host_id(const uint8_t * id)
- {
- memcpy(gzp_host_id, id, GZP_HOST_ID_LENGTH);
- }
- void gzp_get_host_id(uint8_t * dst_id)
- {
- memcpy(dst_id, gzp_host_id, GZP_HOST_ID_LENGTH);
- }
- static void gzp_params_db_add(const uint8_t* src_element, uint8_t index)
- {
- nrf_nvmc_write_bytes((GZP_PARAMS_DB_ADR + (index * GZP_PARAMS_DB_ELEMENT_SIZE)), src_element, (uint32_t)GZP_PARAMS_DB_ELEMENT_SIZE);
- }
- static void gzp_params_db_read(uint8_t* dst_element, uint8_t index)
- {
- memcpy(dst_element,(uint8_t*)(GZP_PARAMS_DB_ADR + (index * GZP_PARAMS_DB_ELEMENT_SIZE)), GZP_PARAMS_DB_ELEMENT_SIZE);
- }
- static void gzp_index_db_add(uint8_t val)
- {
- int16_t i;
- uint8_t temp_val;
- uint32_t addr;
-
- for (i = 0; i < GZP_INDEX_DB_SIZE; i++)
- {
- temp_val = *(uint8_t*)(GZP_INDEX_DB_ADR + i);
-
- if (i != (GZP_INDEX_DB_SIZE - 1))
- {
- if ((temp_val & 0x0f) == 0x0f)
- {
- temp_val = (temp_val & 0xf0) | val;
- break;
- }
-
- else if ((temp_val & 0xf0) == 0xf0)
- {
- temp_val = (temp_val & 0x0f) | (val << 4);
- break;
- }
- }
- else
- {
- temp_val = (GZP_PARAMS_DB_MAX_ENTRIES << 4) | val;
- break;
- }
- }
-
- addr = (GZP_INDEX_DB_ADR + i);
- nrf_nvmc_write_byte(addr, temp_val);
- }
- static uint8_t gzp_index_db_read()
- {
- uint8_t retval;
- int16_t i;
-
- for (i = (GZP_INDEX_DB_SIZE - 1); i >= 0; i--)
- {
- retval = *(uint8_t*)(GZP_INDEX_DB_ADR + i);
- if (retval != 0xff)
- {
- break;
- }
- }
- if (retval == 0xff)
- {
- retval = GZP_PARAMS_DB_MAX_ENTRIES;
- }
- else if ((retval & 0xf0) != 0xf0)
- {
- retval >>= 4;
- }
- else
- {
- retval &= 0x0f;
- }
- return retval;
- }
- int8_t gzp_get_pairing_status(void)
- {
- uint8_t db_byte;
- int8_t db_index;
- int16_t i;
- uint8_t temp_element[GZP_PARAMS_DB_ELEMENT_SIZE];
- uint8_t default_host_id[GZP_HOST_ID_LENGTH];
- db_index = -2;
-
- for (i=0; i< GZP_HOST_ID_LENGTH; i++)
- {
- default_host_id[i] = 0xFF;
- }
-
- for (i = (GZP_INDEX_DB_SIZE - 1); i >= 0; i--)
- {
- db_byte = *(uint8_t*)(GZP_INDEX_DB_ADR + i);
-
- if (db_byte != 0xff)
- {
-
- if ((db_byte & 0xf0) != 0xf0)
- {
- db_byte = (db_byte >> 4) & 0x0f;
- }
- else
- {
- db_byte = db_byte & 0x0f;
- }
-
- gzp_params_db_read(temp_element, db_byte);
-
- if ( memcmp(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID], default_host_id, GZP_HOST_ID_LENGTH) != 0)
- {
- db_index = db_byte;
- }
- else
- {
- db_index = -1;
- }
- break;
- }
- }
- return db_index;
- }
- static bool gzp_index_db_full()
- {
- #if (GZP_INDEX_DB_SIZE != 0)
- return ((*(uint8_t*)(GZP_INDEX_DB_ADR + (GZP_INDEX_DB_SIZE - 1)) != 0xff));
- #else
- return true;
- #endif
- }
- static bool gzp_index_db_empty()
- {
- #if (GZP_INDEX_DB_SIZE != 0)
- return ((GZP_INDEX_DB_SIZE == 0) || ((*(uint8_t*)(GZP_INDEX_DB_ADR)) == 0xff));
- #else
- return true;
- #endif
- }
- static bool gzp_array_is_set(const uint8_t* src, uint8_t length)
- {
- uint8_t i;
- for (i = 0; i < length; i++)
- {
- if (*(src++) != 0xff)
- {
- return false;
- }
- }
- return true;
- }
- static bool gzp_params_store(bool store_all)
- {
- uint8_t i;
- bool write_index_db = false;
- bool write_param_db = false;
- uint8_t new_db_index = 0;
- uint8_t temp_element[GZP_PARAMS_DB_ELEMENT_SIZE];
-
- if (store_all)
- {
-
- for (i = 0; i < GZP_PARAMS_DB_MAX_ENTRIES; i++)
- {
- gzp_params_db_read(temp_element, i);
- if (((memcmp(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], gzp_system_address, GZP_SYSTEM_ADDRESS_WIDTH)) == 0) && ((memcmp(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID], gzp_host_id, GZP_HOST_ID_LENGTH)) == 0))
- {
- write_index_db = true;
- new_db_index = i;
- break;
- }
- }
-
- if (!write_index_db)
- {
- for (i = 0; i < GZP_PARAMS_DB_MAX_ENTRIES; i++)
- {
- gzp_params_db_read(temp_element, i);
- if (((memcmp(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], gzp_system_address, GZP_SYSTEM_ADDRESS_WIDTH)) == 0) && \
- (gzp_array_is_set(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID], GZP_HOST_ID_LENGTH)))
- {
- memcpy(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID], gzp_host_id, GZP_HOST_ID_LENGTH);
- new_db_index = i;
- write_index_db = true;
- write_param_db = true;
- break;
- }
- }
- }
-
- if (!write_index_db)
- {
- for (i = 0; i < GZP_PARAMS_DB_MAX_ENTRIES; i++)
- {
- gzp_params_db_read(temp_element, i);
- if (gzp_array_is_set(temp_element, GZP_PARAMS_DB_ELEMENT_SIZE))
- {
- memcpy(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], gzp_system_address, GZP_SYSTEM_ADDRESS_WIDTH);
- memcpy(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID], gzp_host_id, GZP_HOST_ID_LENGTH);
- new_db_index = i;
- write_index_db = true;
- write_param_db = true;
- break;
- }
- }
- }
- }
- else
- {
-
- for (i = 0; i < GZP_PARAMS_DB_MAX_ENTRIES; i++)
- {
- gzp_params_db_read(temp_element, i);
- if ((memcmp(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], gzp_system_address, GZP_SYSTEM_ADDRESS_WIDTH)) == 0)
- {
-
- write_index_db = true;
- new_db_index = i;
- break;
- }
- }
-
- if (!write_index_db)
- {
- for (i = 0; i < GZP_PARAMS_DB_MAX_ENTRIES; i++)
- {
- gzp_params_db_read(temp_element, i);
- if (gzp_array_is_set(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], GZP_SYSTEM_ADDRESS_WIDTH))
- {
- memcpy(&temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], gzp_system_address, GZP_SYSTEM_ADDRESS_WIDTH);
- write_index_db = true;
- write_param_db = true;
- new_db_index = i;
- break;
- }
- }
- }
- }
- if (write_param_db)
- {
- gzp_params_db_add(temp_element, new_db_index);
- }
- if (write_index_db)
- {
- if (!gzp_index_db_full() && (new_db_index != gzp_index_db_read()) && (new_db_index != GZP_PARAMS_DB_MAX_ENTRIES))
- {
- gzp_index_db_add(new_db_index);
- return true;
- }
- }
- return false;
- }
- static bool gzp_params_restore(void)
- {
- uint8_t i;
- uint8_t temp_element[GZP_PARAMS_DB_ELEMENT_SIZE];
- if (!gzp_index_db_full() && !gzp_index_db_empty())
- {
- i = gzp_index_db_read();
- if (i < GZP_PARAMS_DB_MAX_ENTRIES)
- {
- gzp_params_db_read(temp_element, i);
- memcpy(gzp_system_address, &temp_element[GZP_PARAMS_DB_ELEMENT_SYSTEM_ADDRESS], GZP_SYSTEM_ADDRESS_WIDTH);
- gzp_set_host_id(&temp_element[GZP_PARAMS_DB_ELEMENT_HOST_ID]);
- return true;
- }
- }
- return false;
- }
- void gzp_delay_rx_periods(uint32_t rx_periods)
- {
- nrf_delay_us(rx_periods * 2 * nrf_gzll_get_timeslot_period());
- }
- void gzp_tick_sleep_rx_periods(uint32_t rx_periods)
- {
- nrf_gzll_clear_tick_count();
- while (nrf_gzll_get_tick_count() < 2 * rx_periods)
- {
- __WFI();
- }
- }
- void nrf_gzll_device_tx_success(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
- {
- latest_tx_info = tx_info;
- tx_complete = true;
- tx_success = true;
- }
- void nrf_gzll_device_tx_failed(uint32_t pipe, nrf_gzll_device_tx_info_t tx_info)
- {
- latest_tx_info = tx_info;
- tx_complete = true;
- tx_success = false;
- }
- bool nrf_gzp_tx_complete(void)
- {
- return tx_complete;
- }
- bool nrf_gzp_tx_success(void)
- {
- return tx_success;
- }
- void nrf_gzp_reset_tx_complete()
- {
- tx_complete = false;
- }
- void nrf_gzp_reset_tx_success()
- {
- tx_success = false;
- }
- void nrf_gzll_disabled(void)
- {
- }
- void nrf_gzll_host_rx_data_ready(uint32_t pipe, nrf_gzll_host_rx_info_t rx_info)
- {
- }
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